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deka-dom-el/docs_src/components/examples/scopes/declarative.js
Jan Andrle cd62782c7b
Replace “observable” term with “signal” (#19)
*  refact docs

to make editing (now renaming observables to signal) easier

*   use signal(s) term isntead of observable(s)

*  🔤 version + typo

* 🐛 customElement example (0→S)

* 📺 version in package-lock.json
2024-05-22 21:43:49 +02:00

36 lines
964 B
JavaScript

/* PSEUDO-CODE!!! */
import { el } from "deka-dom-el";
import { S } from "deka-dom-el/signals";
function component(){
/* prepare changeable data */
const dataA= S("data");
const dataB= S("data");
/* define data flow (can be asynchronous) */
fetchAPI().then(data_new=> dataA(data_new));
setTimeout(()=> dataB("DATA"));
/* declarative UI */
return el().append(
el("h1", {
textContent: "Example",
/* declarative attribute(s) */
classList: { declarative: dataB }
}),
el("ul").append(
/* declarative element(s) */
S.el(dataA, data=> data.map(d=> el("li", d)))
),
el("ul").append(
/* declarative component(s) */
S.el(dataA, data=> data.map(d=> el(subcomponent, d)))
)
);
}
function subcomponent({ id }){
/* prepare changeable data */
const textContent= S("…");
/* define data flow (can be asynchronous) */
fetchAPI(id).then(text=> textContent(text));
/* declarative UI */
return el("li", { textContent, dataId: id });
}